Fix for bug #3043419 Unfolding incorrectly. When new line characters are inserted on a folded fold header line, the fold is unfolded.
Fix for bug #3043419 Unfolding incorrectly.
When new line characters are inserted on a folded fold header line,
the fold is unfolded.

rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror